HOX genes specify the regions in an anterior-posterior axis of an animal. Because the organization of the body depends on these genes, a mutation in them often results in misformation of limbs and other body parts. Because HOX genes are highly conserved across species, making it useful in determining the phylogeny of species. However, the determination of the HOXC gene as an indicator of phylogeny across all vertebrae species is something that has not been examined as of now.
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